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https://github.com/c64scene-ar/llvm-6502.git
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e56023a059
Finish off PR23080 by renaming the debug info IR constructs from `MD*` to `DI*`. The last of the `DIDescriptor` classes were deleted in r235356, and the last of the related typedefs removed in r235413, so this has all baked for about a week. Note: If you have out-of-tree code (like a frontend), I recommend that you get everything compiling and tests passing with the *previous* commit before updating to this one. It'll be easier to keep track of what code is using the `DIDescriptor` hierarchy and what you've already updated, and I think you're extremely unlikely to insert bugs. YMMV of course. Back to *this* commit: I did this using the rename-md-di-nodes.sh upgrade script I've attached to PR23080 (both code and testcases) and filtered through clang-format-diff.py. I edited the tests for test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns were off-by-three. It should work on your out-of-tree testcases (and code, if you've followed the advice in the previous paragraph). Some of the tests are in badly named files now (e.g., test/Assembler/invalid-mdcompositetype-missing-tag.ll should be 'dicompositetype'); I'll come back and move the files in a follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
154 lines
6.2 KiB
LLVM
154 lines
6.2 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
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; Generated from the following source compiled with clang++ -gmlt:
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; void f1() {}
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; void __attribute__((section("__TEXT,__bar"))) f2() {}
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; void __attribute__((always_inline)) f3() { f1(); }
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; void f4() { f3(); }
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; Check that
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; * -gmlt includes no DW_TAG_subprograms for subprograms without inlined
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; subroutines.
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; * yet still produces DW_AT_ranges and a range list in debug_ranges that
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; describes those subprograms
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; CHECK: DW_TAG_compile_unit
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; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
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; CHECK-NOT: {{DW_TAG|NULL}}
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; Omitting the subprograms without inlined subroutines is not possible
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; currently on Darwin as dsymutil will drop the whole CU if it has no subprograms
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; (which happens with this optimization if there are no inlined subroutines).
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; DARWIN: DW_TAG_subprogram
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; DARWIN-NOT: DW_TAG
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; DARWIN: DW_AT_name {{.*}} "f1"
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; DARWIN-NOT: {{DW_TAG|NULL}}
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; DARWIN: DW_TAG_subprogram
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; DARWIN-NOT: DW_TAG
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; DARWIN: DW_AT_name {{.*}} "f2"
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; DARWIN-NOT: {{DW_TAG|NULL}}
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; DARWIN: DW_TAG_subprogram
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; DARWIN-NOT: DW_TAG
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; Can't check the abstract_origin value across the DARWIN/CHECK checking and
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; ordering, so don't bother - just trust me, it refers to f3 down there.
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; DARWIN: DW_AT_abstract_origin
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; DARWIN-NOT: {{DW_TAG|NULL}}
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; FIXME: Emitting separate abstract definitions is inefficient when we could
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; just attach the DW_AT_name to the inlined_subroutine directly. Except that
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; would produce many string relocations. Implement string indexing in the
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; skeleton CU to address the relocation problem, then remove abstract
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; definitions from -gmlt here.
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; CHECK: DW_TAG_subprogram
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; CHECK-NEXT: DW_AT_name {{.*}} "f3"
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; FIXME: We don't really need DW_AT_inline, consumers can ignore this due to
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; the absence of high_pc/low_pc/ranges and know that they just need it for
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; retrieving the name of a concrete inlined instance
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; CHECK-NOT: {{DW_TAG|DW_AT|NULL}}
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; Check that we only provide the minimal attributes on a subprogram to save space.
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; CHECK: DW_TAG_subprogram
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; CHECK-NEXT: DW_AT_low_pc
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; CHECK-NEXT: DW_AT_high_pc
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; CHECK-NEXT: DW_AT_name
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; CHECK-NOT: {{DW_TAG|DW_AT}}
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; CHECK: DW_TAG_inlined_subroutine
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; As mentioned above - replace DW_AT_abstract_origin with DW_AT_name to save
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; space once we have support for string indexing in non-dwo sections
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; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f3"
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; CHECK-NEXT: DW_AT_low_pc
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; CHECK-NEXT: DW_AT_high_pc
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; CHECK-NEXT: DW_AT_call_file
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; CHECK-NEXT: DW_AT_call_line
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; Make sure we don't have any other subprograms here (subprograms with no
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; inlined subroutines are omitted by design to save space)
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; CHECK-NOT: {{DW_TAG|DW_AT}}
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; CHECK: NULL
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; CHECK-NOT: {{DW_TAG|DW_AT}}
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; CHECK: NULL
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; CHECK: .debug_ranges contents:
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; ... some addresses (depends on platform (such as platforms with function
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; reordering in the linker), and looks wonky on platforms with zero values
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; written in relocation places (dumper needs to be fixed to read the
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; relocations rather than interpret that as the end of a range list))
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; CHECK: 00000000 <End of list>
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; Check that we don't emit any pubnames or pubtypes under -gmlt
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; CHECK: .debug_pubnames contents:
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; CHECK-NOT: Offset
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; CHECK: .debug_pubtypes contents:
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; CHECK-NOT: Offset
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; CHECK: .apple{{.*}} contents:
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; Function Attrs: nounwind uwtable
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define void @_Z2f1v() #0 {
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entry:
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ret void, !dbg !13
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}
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; Function Attrs: nounwind uwtable
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define void @_Z2f2v() #0 section "__TEXT,__bar" {
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entry:
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ret void, !dbg !14
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}
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; Function Attrs: alwaysinline nounwind uwtable
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define void @_Z2f3v() #1 {
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entry:
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call void @_Z2f1v(), !dbg !15
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ret void, !dbg !16
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}
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; Function Attrs: nounwind uwtable
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define void @_Z2f4v() #0 {
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entry:
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call void @_Z2f1v() #2, !dbg !17
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ret void, !dbg !19
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { alwaysinline nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11}
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!llvm.ident = !{!12}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: 2, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "gmlt.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!3 = !{!4, !7, !8, !9}
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!4 = !DISubprogram(name: "f1", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, function: void ()* @_Z2f1v, variables: !2)
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!5 = !DIFile(filename: "gmlt.cpp", directory: "/tmp/dbginfo")
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!6 = !DISubroutineType(types: !2)
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!7 = !DISubprogram(name: "f2", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !5, type: !6, function: void ()* @_Z2f2v, variables: !2)
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!8 = !DISubprogram(name: "f3", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, function: void ()* @_Z2f3v, variables: !2)
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!9 = !DISubprogram(name: "f4", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !1, scope: !5, type: !6, function: void ()* @_Z2f4v, variables: !2)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{!"clang version 3.6.0 "}
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!13 = !DILocation(line: 1, column: 12, scope: !4)
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!14 = !DILocation(line: 2, column: 53, scope: !7)
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!15 = !DILocation(line: 3, column: 44, scope: !8)
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!16 = !DILocation(line: 3, column: 50, scope: !8)
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!17 = !DILocation(line: 3, column: 44, scope: !8, inlinedAt: !18)
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!18 = !DILocation(line: 4, column: 13, scope: !9)
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!19 = !DILocation(line: 4, column: 19, scope: !9)
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